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Transcript of AESS667-00 D475A-5SD
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8/13/2019 AESS667-00 D475A-5SD
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NET HORSEPOW641 kW860 HP @ 2000 rp
OPERATING WEIG108080 kg238,270 lb
Photos may include optional equipment.
CRA WLERD OZER
D475A-5 SUPER DOZER D475A
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S U P E R D O Z E R
WALK-AROUNDD475A-5SD
Unique and unrivaled noise-suppression Komatsu-integrated design for the best value,reliability, and versatility. Hydraulics, power train, frame,and all other major components are engineered byKomatsu. You get a machine whose components aredesigned to work together for higher production, greaterreliability, and more versatility.
Hydrostatic Driven Engine Cooling Fan controlledautomatically, reducesfuel consumption andoperating noise levels
The Super DozerThe D475A-5 Super Dozer greatlycontributes to reducing operating costs($/tons) by high dozing productivity. Large capacity Super Dozer blade with
low dozing resistance
Extra-low Machine Profile provides excellent machine balanceand low center of gravity
Preventative Maintenance Centralized Service Station Enclosed Hydraulic Piping Modular Power Train Design Oil Pressure Checking Ports
Simple hull frameand monocoque trackframe with pivot shaftfor greater reliability
Large Blade Capacity:45 m 3 58.9 yd 3 (Super Dozer)
Automatic lockuptorque converter saves fuel and increases speed andpower transmission efficiency onlong pushes
New Track Link Designreduces maintenance cost bymaking turning pins easier, withimproved pin reuse
641 kW860 HP turbocharged,aftercooled engine providesplenty of power
Low Noise Operator noise: 70dB(A)(Engine at Hi, cooling fan at 70%, and air conditioner OFF.)
Dynamic noise (outside): 110dB(A)As per ISO 6395
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FLYWHEEL HORSEPOWER641 kW 860 HP @ 2000 rpm
OPERATING WEIGHT108080 kg 238,270 lb
BLADE CAPACITY45.0 m 3 58.9 yd 3
Photos may include optional equipment.
S U P E R D O Z E RD475A-5 SD
SUPER DOZER
Komatsus highly productive, innovativetechnology, environmentally friendlymachines built for the 21st century.
New Hexagonal Designed Cab includes: Spacious interior Comfortable ride with new cab damper mounting and K-bogie
undercarriage Excellent visibility High capacity air conditioning system
PCCS (Palm Command Control System) lever controls Pressurized cab Adjustable armrest Travel control console integrated with operator seat
ECMV (Electronic Controlled Modulation Valve)Controlled Steering Clutch
/Brake Systemfacilitates smooth and shocklesssteering operation
Rear Attachments (optional) Variable giant ripper Counterweight
K-Bogie Undercarriage System improves traction,component durability, andoperator comfort
Low-drive, long-track, seven roller undercarriageensures outstanding grading ability and stability
VHMS (Vehicle Health Monitoring System) with ORBCOMM
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PCCS (PALM COMMAND CONTROL S YSTEM )D475A-5SD
Komatsus new ergonomically designed control system PCCS creates an operatingenvironment with complete operator control.
S U P E R D O Z E R
Human-Machine InterfacePalm CommandElectronic ControlledTravel Control Joystick
Ergonomically designed palm
command travel joystick
provides the operator with a
relaxed posture and superb
fine control without operator
fatigue. Transmission gearshifting is simply carried
out with thumb push buttons.
Fully AdjustableSuspension Seat andTravel Control Console
For improved rear visibility
during return of cycle, the operator can adjust the seat 15 to
the right. The transmission and steering controls move with
the seat for best operator comfort. The operator seat is
also tiltable for facilitating down hill dozing. The travelcontrol console has adjustments fore and aft, and for height.
With an independently adjustable armrest, each D475A-5
Super Dozer operator can adjust control positions to their
individual preference, providing optimum operational
posture for all operators.
Fuel Control Dial
Engine revolution is controlled by electric signals, providing
ease of operation eliminating maintenance of linkage and
joints.
Palm Command PPC ControlledBlade Control Joystick
Blade control joystick uses the PPC (Proportional Pressure
Control) valve and the same palm command type joystick astravel control joystick. PPC control, combined with the highly
reliable Komatsu hydraulic system, enables superb fine
control.
Height Adjustable Blade Control Armrest
Blade control armrest is height adjustable without any tools
in three stages, providing the operator with firm arm support
and ideal armrest positioning.
Position Adjustable Ripper Control Lever
Ripper control lever is position adjustable, providing optimumoperation posture for all operators during ripping operations
facing front or watching ripper point.
Facing Front
When Turned 15
Left-hand Joystick
Blade and Ripper (option)Control Joystick
MONITORSYSTEM
Bladecontrollever
Rippercontrollever
Travelcontrollever
Brake pedalpotentio meter
PitchanglesensorAccelerationsensor
Serviceswitch
Auto shiftdown switch
Fuelcontroldial
Steering controller
Monitor panel
Decelerationpedal
TransmissioncontrollerTransmission controlTorque converter controlImplement control
Engine controller
Electronic controlledtransmission
Electronic controlledsteering/brake system
Engine Torque converter
Transmissioncontrol valve
LockupEnginespeed
Watertemp.
Fuel temp.Engine oilpressure
Fuel controlvalve unit
E C M V
E C M V
E C M V
E C M V
E C M V
E C M V
E C M V
E C M V
Auxilliaryvalve
Trans-missionoutputspeedsensor
E C M V
Outline of Electronic Control System
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S U P E R D O Z E RD475A-5 SD
SUPER DOZER
Power Train Electronic Control SystemSmooth and Soft Operation
The D475A-5 Super Dozer utilizes a newly designed power train electronic control system. The controller registers the amount
of operator control (movements of lever and operation of switches) along with machine condition signals from each sensor to
accurately calculate the control of the torque converter, transmission, steering clutches and brakes for optimized machine
operation. The ease of operation and productivity of the new D475A-5 Super Dozer isgreatly improved through these new features.
ECMV (Electronic Controlled Modulation Valve) Controlled Transmission
Controller automatically adjusts each clutch engagement depending on travel
conditions such as gear speed, revolution and shifting pattern. This provides
shockless smooth clutch engagement, improved component reliability,
improved component life and operator ride comfort.
ECMV (Electronic Controlled Modulation Valve) Controlled Steering Clutches/Brakes
Sensors monitor machine operating conditions, and electronically control steering clutches and brakes depending on type of
job, such as size of load during dozing, incline angle of slope or load, providing smooth and ease of operation by reducing
counter-steering on downhill travel, etc.
Preset Travel Speed Selection Function
Preset travel speed selection function is standard equipment, enabling the operator to select fore and aft travel speed
among three preset patterns such as F1-R2, F2-R2 and manual shift. When F1-R2 or F2-R2 preset pattern is selected, and
travel control joystick moves to forward/rearward direction, the machine travels forward/reverse with F1-R2 or F2-R2 speed
automatically. This function reduces gear shifting time during repeated round-trip operations.
When dozing and turning, ECMV automatically controls stroke ratio of steering clutches and brakes depending on degree of load,enabling smooth dozing and turning.
When dozing downhill, ECMV automatically controls steering clutches and brakes depending on incline of machine or degree of load, reducing counter-steering and producing smooth dozing operation.
Auto-shift Down Function
The controller monitors engine speed, travel gear, and travel
speed. When load is applied and machine travel speed is
reduced, the controller automatically downshifts to optimum
gear speed to provide high fuel efficiency. This function
provides comfortable operation and high productivity without
manual downshifting. (This function can be cancelled with
the cancel switch.)
F2-R2F1-R2
MANUAL MODE (F1-R1)
F1-R2 MODE
F2-R2 MODE
Press DOWN switch
Press DOWN switch
Press UP switch
Press UP switch
UP
DOWN
Indicator Heavy Load Light Load
Actuated on Heavy Loador Steep Slope
Effect of ECMV Steering Clutches/Brake Control
Electronic ControlledModulation Valve (ECMV)Conventional modulation valve
Time
C l u
t c h
p r e s s u r e
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P RODUCTIVITY FEATURESD475A-5SD
EngineThe Komatsu SDA12V140E engine delivers 641 kW 860 HP at
2000 rpm. These features, together with the heavy machineweight, make the D475A-5 Super Dozer a superior crawler
dozer in both dozing and ripping production. The engine is
Tier 2 EPA, EU, and Japan emissions certified, and features
direct fuel injection, turbocharger, and aftercooler to
maximize fuel efficiency.
To minimize noise and vibration, the engine is mounted
to the main frame with rubber cushions. For further conve-
nience, fuel adjustment is unnecessary up to an altitude
of 3000 m 9,840 ft .
Hydrostatic Driven Engine Cooling FanFan rotation is automatically controlled depending on
coolant and hydraulic oil temperature, saving fuel
consumption and providing great productivity with a quiet
operating environment.
Automatic Torque Converter Lockup System
For greater efficiency during long pushes, the lockup
mode allows the system to automatically engage the torque
converter lockup clutch. Locking up the torque converter
transmits all the engine power directly to the transmission,
increasing ground speed thus achieving efficiencies equal
to a direct drive. The result is efficient use of engine power,
less fuel consumption, and faster cycle times.
K-Bogie Undercarriage System
New K-Bogie Undercarriage System combines prioradvantages, with new additional features.
Current features:
Effective length of track on ground is consistent. Shoe
slippage is minimized, therefore, high traction is obtained.
The idler does not oscillate under load, providing excellent
machine balance. Blade and ripper penetration force
remains stable for increased productivity.
New features on K-Bogie Undercarriage System:
K-bogies oscillate with two fulcrums, and track
roller vertical travel is greatly increased. Impact loadingto undercarriage components is reduced and durability
of components is improved since track rollers are
always in contact with track link.
Undercarriage life is improved due to better control of
track chain alignment with track rollers.
Riding comfort is improved by reducing vibration
and shock when traveling over rough terrain.
u crum o ma or og e
Fulcrum of minor bogie
Torqueconverter
Engine Transmission
Lockup ON
Lockup OFF
S U P E R D O Z E R
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S U P E R D O Z E RD475A-5 SD
SUPER DOZER
Super Dozer Blade
When it comes to crawler dozers, bigger really is better. Bigger
dozers are more efficientthey push more material per miner,
per hour, and per shift, for a lower overall cost per yard.
Presenting the most efficient of them allthe Komatsu D475A-5
Super Dozer.
Thanks to an exclusive, proprietary blade design, the SuperDozer answers a fundamental challenge of dozer
designhow to push more load without a proportionate
increase in operating weight and horsepower.The D475s
massive 45.0 m 3 58.9 yd 3. Super Dozer Blade gives you 15%
more production than conventional U-blade in level dozing.
DUMP DIGCARRY
8 1 6 8 - 9
6
D475A-5Super Dozer Blade
Conventional34.4m 3 345.0ydU-Blade
Unlike ordinary dozer blades, the Super Blade has a full range of movement. Three basic positionsdig, carry and dumpcreate previously unheard-of levels of efficiency. It also includes auto-dump and auto-reposition features.
Photo may include optional equipment.
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Centralized Service StationTo ensure convenient maintenance, the transmissionand torque converter oil filters are both arranged next tothe power train oil level gauge.
Monitor with Self-Diagnostic FunctionIf the monitor findsabnormalities,correspondingwarning lamp blinksand warning buzzersounds. Whenabnormalities occurduring operation, usercode and service meter are displayed alternately. When ahigh importance user code is displayed, a caution lampblinks and warning buzzer sounds to prevent thedevelopment of serious problems.
Gull-wing Engine Side CoversDual insulated gull-wing engine side covers facilitate enginemaintenance and filter replacement. Side covers are a thickone-piece structure with bolt-on latch to improve durability,repairability and facilitate easy opening.
Oil Pressure Checking PortsPressure checking ports for power train components arecentralized to promote quick and simple diagnosis.
VHMS (Vehicle Health Monitoring System)
VHMS controller monitors the health conditions of majorcomponents and enables remote analysis of the machineand its operation.This process is supported by the Komatsudistributors, factory and design team. This contributes toreduced repair costs and to maintaining maximum availabilitythrough proactive service.
EASY MAINTENANCE
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S U P E R D O Z E RD475A-5 SD
SUPER DOZER
Preventative MaintenancePreventative maintenance is the only way to ensure long service life from your equipment. Thats why Komatsu designed the
D475A-5 Super Dozer with conveniently located maintenance points to make necessary inspections and maintenance quickand easy.
Low Maintenance CostsTrack Link with Wedge RingNew D475A-5 Super Dozer tracklinks feature reduced press-fit forceand a wedge ring. Conventionaltrack pins are retained only with alarge press-fit force. This results ineasier service with reduced pindamage when turning pins andbushings. The result is improvedundercarriage life and reducedmaintenance cost through reducedwear, greater pin reusability, andreduced maintenance man-hours.
Highly reliable electric circuitThe electrical circuit reliability is increased by utilizing dust,vibration and corrosion resistant "DT connectors".Thereinforced electrical wiring harnesses include a circuitbreaker and are covered with a heat-resistant material toincrease mechanical strength, provide longer life, andprotect the system from damage.
Wedge ring
Pin press fittingforce +wedge ringholding force
Trackguidingguard
KOMATSU
WebCARE ServerKomatsuDistributors
Flat Face O-Ring SealsFlat face O-ring seals are used to securely seal all hydraulichose connections and to prevent oil leakage.
Enclosed Hydraulic PipingHydraulic piping for the blade tilt cylinder is completelyhoused in the push arm protecting it from damage.
Modular Power Train DesignPower train components are sealed in a modular designthat allows the components to be dismounted and mountedwithout oil spillage, making servicing work clean, smooth,and easy.
Maintenance-Free Disc BrakesWet disc brakes require less maintenance and provideexcellent service life.
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ENGINE
Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SDA12V140EType . . . . . . . . . . . . . . . . . . . . . 4-stroke, water-cooled, direct injection
Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged, aftercooledNumber of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Bore x stroke. . . . . . . . . . . . . . . . . . 140 mm x 165 mm 5.51" x 6.50"Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . 30.48 ltr 1,860 in 3
Flywheel horsepowerJ1349 . . . . . . . . . . . . . . . . . . . . . . . . . 671 kW 860 HP @ 2000rpmDIN 6270. . . . . . . . . . . . . . . . . . . . . . . 641 kW 872 PS @ 2000rpm
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All-speed, electronicLubrication system
Method . . . . . . . . . . . . . . . . . . . . . . . . Gear pump, force lubricationFilter . . . . . . . . . . . . . . . . . . . . . . . . Full-flow and bypass combined
TORQFLOW TRANSMISSION
Komatsu TORQFLOW transmission consists of a water-cooled,3-element, 1-stage, 1-phase torque converter with lockup clutchand a planetary gear, multiple-disc clutch transmission which ishydraulically-actuated and force-lubricated for optimum heatdissipation. Gearshift lock lever and neutral safety switchprevent accidental starts.
FINAL DRIVES
Double-reduction final drive of spur and planetary gear sets toincrease tractive effort and reduce gear tooth stresses for long finaldrive life. Segmented sprocket teeth are bolt-on for easy replacement.
STEERING SYSTEM
PCCS lever, joystick-controlled, wet multiple-disc steering clutchesare spring-loaded and hydraulically released.Wet multiple-disc
steering brakes are spring-actuated, hydraulically released, andrequire no adjustment. Steering clutches and brakes are inter-connected for easy, responsive steering.
Minimum turning radius . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.6 m 15'1"
UNDERCARRIAGE
Suspension . . . . . . . . . . . . . . Oscillating equalizer bar and pivot shaftTrack roller frame . . . . . . . . . . . . . . . Cylindrical, high-tensile-strength
steel constructionRollers and idlers. . . . . . . . . . . . . . . . . . . . . . . Lubricated track rollers
K-Bogie UndercarriageLubricated track rollers are resiliently mounted to the trackframe with a bogie suspension system whose oscillating motionis cushioned by rubber pads.
Extreme Service Track ShoesLubricated tracks. Unique seals prevent entry of foreignabrasives into pin to bushing clearances to provide extendedservice life. Track tension is easily adjusted with grease gun.
Number of shoes (each side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Grouser height:
Single grouser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 mm 4.1"Shoe width (standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . 810 mm 32"Ground contact area . . . . . . . . . . . . . . . . . . . . . 70713 cm 2 10,960 in 2Ground pressure (Tractor) . . . . . . . . . . 111 kPa 1.13 kg/cm 2 16.1 psiNumber of track rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Number of carrier rollers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
COOLANT AND LUBRICANT
CAPACITY (REFILL)
Fuel tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1670 ltr 441 U.S. galCoolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275 ltr 72.6 U.S. galEngine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 ltr 32.0 U.S. galTorque converter, transmission,
bevel gear, and steering system . . . . . . . . . . 210 ltr 55.5 U.S. gal
Final drive (each side) . . . . . . . . . . . . . . . . . . . . . 75 ltr 19.8 U.S. gal
Gear Forward Reverse1st 3.5 km/h 2.2 mph 4.7 km/h 2.9 mph2nd 6.3 km/h 3.9 mph 8.4 km/h 5.2 mph3rd 10.9 km/h 6.8 mph 14.3 km/h 8.9 mph
Extreme Additional Ground Tractor groundservice shoes weight contact area pressure
910 mm 1800 kg 79443 cm2 101 kPa1.03 kg/cm236" 3,970 lb 12,314 in 2 14.7 psi
0 1412108642 km/h0
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k N
U S
T o n
T o n
D R A W B A R P U L L
TRAVEL SPEED
F2
F1 (LOCK UP)
F2 (LOCK UP)
F3 (LOCK UP)F3
F1
D475A-5 SDPower Shift
DRAWBAR PULL VS. SPEEDMAXIMUM USABLE PULL
DEPENDS ON TRACTION ANDWEIGHT OF TRACTORINCLUDING MOUNTED
EQUIPMENT
0
S PECIFICATIONSD475A-5SD S U P E R D O Z E R
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S U P E R D O Z E RD475A-5 SD
SUPER DOZER
Overall Maximum Maximum Maximum Weightlength with Blade Blade lift above drop below tilt Dozer
dozer capacity length x height ground ground adjustment equipment Ground pressure*
Super dozer 8980 mm 45.0 m3 6465 mm x 3220 mm 1960 mm 860 mm 900 mm 21700 kg 150 kPa 1.53 kg/cm2
29'6" 58.9 yd3 21'3" x 10'7" 6'5" 2'10" 2'11" 47,840 lb 21.8 psi
DOZER EQUIPMENT
*Ground pressure shows tractor with Super Dozer blade, cab, ROPS, counterweight, operator, and standard equipment.
DIMENSIONS
OPERATING WEIGHT
Tractor weight . . . . . . . . . . . . . . . . . . . . . . . . . . 79980 kg 176,320 lbIncluding rated capacity of lubricant, coolant, full fuel tank, steelcab, ROPS, operator, and standard equipment.
Operating weight . . . . . . . . . . . . . . . . . . . . . . . 108080 kg 238,270 lbIncluding strengthened Super dozer, counterweight, steel cab,ROPS, operator, standard equipment, rated capacity oflubricant, coolant, and full fuel tank.
Ground pressure . . . . . . . . . . . . . . . . . 150 kPa 1.53 kg/cm 2 21.8 psi
HYDRAULIC SYSTEM
Closed-center load sensing system (CLSS) designed for precise andresponsive control, and for efficient simultaneous operation.
Hydraulic control units:All spool valves externally mounted beside the hydraulic tank.
Plunger type hydraulic pump with capacity (discharge flow) of 542ltr/min 143 U.S. gal/min at rated engine rpm.
Relief valve setting . . . . . . . . . . . . . . 27.5 MPa 280 kg/cm 2 3,980 psi
Control valves:Spool control valves for Super dozer
Positions: Blade lift . . . . . . . . . . . . . . Raise, hold, lower, and floatBlade tilt . . . . . . . . . . . . . . . . . . . . . Right, hold, and leftBlade pitch(digging angle) . . . . . . . . Increase, hold, and decrease
Hydraulic cylinders . . . . . . . . . . . . . . . . . . . . . . . Double-acting, piston
Hydraulic oil capacity (additional volume):Super dozer . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 ltr 48 U.S. gal
Ripper equipment (additional volume):Giant ripper . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 ltr 34 U.S. gal
Number of cylinders BoreBlade lift 2 180 mm7.09"Blade tilt and pitch 2 250 mm9.84"
G.L.
FEA
B
GK
C
DI
J
H
SUPER DOZER WITH COUNTERWEIGHT
Ground Clearance: 655 mm 2'2"
A 2770 mm 9'1"B 6465 mm 21'3"C 4240 mm 13'11"
D 3220 mm 10'7"E 4365 mm 14'4"F 10525 mm 34'6"G 2405 mm 7'11"H 4590 mm 15'1"I 1960 mm 6'5"J 860 mm 2'10"K 900 mm 2'11"
Blade capacities are based on the SAE recommended practice J1265.
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440 N. Fairway Dr.P.O. Box 8112Vernon Hills, IL 60061
AESS667-00 2004 Komatsu Printed in USA DK08(2.5M) C 08/04 (EV-1)
l d f b h h
Air conditioner with heater and defroster Alternator, 100 A/24 V Auto-priming system Back-up alarm Batteries, 200 Ah/4 x 12 V Blower fan Decelerator pedal Dry-type air cleaner with dust evacuator
and dust indicator Engine prelubrication system Final drive case wear guard Heavy duty wiring harness Hinged underguard with front pull hook Hydraulic track adjusters
Lighting system (including four frontand two rear lights)
Lockup torque converter Mirror Mirror, rearview Muffler with rain cap Oil-suspension seat Perforated front mask
Radiator reserve tank Radio, AM/FM, cassette ROPS brackets Seat belt, 76 mm 3" retractable Segmented sprockets Seven-roller track frames
Shoes, 810 mm 32" extreme service,single-grouser
Starting motors, 2 x 7.5 kW/24 V Steel cab Steering control Sun visor TORQFLOW transmission Track roller guards
VHMS (with orbcomm) Warning horn Water separator Wet steering clutches
STANDARD EQUIPMENT
Additional cab heater Air-suspension seat Alternator, 150 A/24V Battery isolator Coal dozer
ROPS*:Weight . . . . . . . . . . . . . . . . . 940 kg 2,070 lb
Dimension:Width . . . . . . . . . . . . . . . . . . . 1940 mm 6'4"
*Meets ISO 3471, SAE J1040 APR88, ROPSstandards.
Steel cab**:Weight . . . . . . . . . . . . . . . . . 455 kg 1,000 lb
Dimension:Length . . . . . . . . . . . . . . . 1790 mm 5'10"Width . . . . . . . . . . . . . . . . . 1455 mm 4'9"Height from compartment
floor to ceiling . . . . . . . . 1530 mm 5'0"**Meets ISO 3449 FOPS standards.
Variable giant ripper:Variable, parallelogram single-shank ripperideal for ripping up tough material. Rippingangle is variable. Ripping depth is adjustablein four stages by a hydraulically controlledpin puller.
Weight (including hydrauliccontrol unit) . . . . . . . . . 7300 kg 16,090 lb
Beam length. . . . . . . . . . . . . 1477 mm 4'10"Maximum lift above ground . . 1140 mm 3'9"Maximum digging depth. . . . 1800 mm 5'11"
Note: Available only for machine with810 mm 32 shoes.
Counterweight Double wiper Fast fuel fill Head rest Light for ripper
Push plate Safety glass (MSHA) Shoes:
910 mm 36" Spill guards
OPTIONAL EQUIPMENT
Counterweight:Weight . . . . . . . . . . . . . 6400 kg 14,110 lb